Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 1:19:45 AM (PDT) on Monday, September 13, 2021.
The magnitude 0.4 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
|Magnitude||0.4 - duration magnitude (Md)|
|Time||Monday, September 13, 2021 at 1:19:45 AM (PDT)
Monday, September 13, 2021 at 8:19:45 (UTC)
The Geysers, CA - 6 km (4 miles) NW (325 degrees)|
Cobb, CA - 6 km (4 miles) W (271 degrees)
Kelseyville, CA - 18 km (11 miles) SSE (168 degrees)
Middletown, CA - 18 km (11 miles) WNW (296 degrees)
Cloverdale, CA - 19 km (12 miles) E (84 degrees)
|Coordinates||38 deg. 49.4 min. N (38.823N), 122 deg. 47.9 min. W (122.798W)|
|Depth||2.27 km (1.4 miles)|
|Location Quality Parameters||Nst=8, Nph=8, Dmin=1.7 km, Rmss=0.02 sec, Erho=0.39 km, Erzz=1.35 km, Gp=103 degrees|
|Additional Information|| Map
For more information, see https://earthquake.usgs.gov
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)